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Quantum Secure Direct Communication Achieved by Using Multi-Entanglement

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Abstract

Aquantum secure direct communication (QSDC) scheme is proposed based on multi-body entangled system in this paper. The mathematical description of the QSDC scheme is given firstly and the process of direct communication is investigated. The communication scheme based on multi-body entangled system and the general method of information coding are further completed. Finally, a communication scheme using four-body systems is introduced as example.

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Acknowledgments

This work was supported by the National Nature Science Foundation of China (under Grant No.11105021 and No.11175033), the Fundamental Research Funds for the Central Universities (DUT13LK05) and Training Program of Innovation and Entrepreneurship for Undergraduates of DUT (Grant No. 201210141204).

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Authors and Affiliations

  1. School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian, 116024, China

    Wenlin Li, Junbo Chen, Xiaolong Wang & Chong Li

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  1. Wenlin Li
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  2. Junbo Chen
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  3. Xiaolong Wang
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  4. Chong Li
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Correspondence to Chong Li.

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Li, W., Chen, J., Wang, X. et al. Quantum Secure Direct Communication Achieved by Using Multi-Entanglement. Int J Theor Phys 54, 100–105 (2015). https://doi.org/10.1007/s10773-014-2205-7

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  • DOI: https://doi.org/10.1007/s10773-014-2205-7

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